US2995426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevated fluidizing reactor
Assignee: Hydrocarbon Research Inc
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Filing: 1956-12-04
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Granted: 1961-08-08
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Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Percival C Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:25
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
241 words
AN ELONGATED, ELEVATED REACTOR ADAPTED TO CARRY OUT A PROCESS WHEREIN A GASIFORM STREAM IS PASSED UPWARDLY THROUGH A DENSE FLUIDIZED BED OF PARTICULATE SOLIDS, COMPRISING A CYLINDRICAL SHELL AT LEAST ABOUT 8 FEET IN DIAMTER AND HAVING MEANS TO SUPPORT SAID SHELL ON A FOUNDATION, A BASE PLATE MEMBER FOR SUPPORTING SAID BED POSITIONED AT LEAST 30 FEET ABOVE THE FOUNDATION OF SAID REACTOR AND FASTENED TO THE INNER CYLINDRICAL WALL OF SAID SHELL, MEANS TO INTRODUCE SAID SOLIDS ONTO SAID BASE PLATE, MEMBERS HAVING GENERALLY VERTICAL EXTENDED SURFACES DISPOSED WITHIN SAID SHELL ABOVE SAID BASE AND DISTRIBUTED SUBSTANTIALLY THROUGHOUT THE ZONE OF SAID SHELL TO BE OCCUPIED BY SAID BED, SAID VERTICAL SURFACES BEING SPACED FROM ADJACENT VERTICAL SPACES TO PERMIT HORIZONTAL FLOW OF SOLIDS, SAID ZONE BEING AT LEAST 8 FEET IN DEPTH, THE AREA OF SAID EXTENDED SURFACES TOGETHER WITH THE AREA OF THE INNER SURFACE OF SAID SHELL IN SAID ZONE BEING IN THE RANGE OF 6 TO 12 SQUARE FEET PER CUBIC FOOT OF THE NET VOLUME OF SAID ZONE, SAID NET VOLUME BEING THE PORTION OF THE TOTAL VOLUME OF SAID ZONE UNOCCUPIED BY SAID MEMBERS, MEANS FOR INTRODUCING SAID GASIFORM STREAM AS A PLURALITY OF SEPARATE STREAMS INTO THE BOTTOM OF SAID ZONE, SAID EXTENDED SURFACE TENDING TO MAINTAIN SAID STREAMS SEPARATE, MEANS FOR WITHDRAWING SAID GASIFORM STREAM FROM SAID REACTOR DISPOSED ABOVE SAID ZONE, AND MEANS TO REMOVE SOLIDS FROM SAID ZONE.
Claim 2
Dependent Claim
241 words
AN ELONGATED, ELEVATED REACTOR ADAPTED TO CARRY OUT A PROCESS WHEREIN A GASIFORM STREAM IS PASSED UPWARDLY THROUGH A DENSE FLUIDIZED BED OF PARTICULATE SOLIDS, COMPRISING A CYLINDRICAL SHELL AT LEAST ABOUT 8 FEET IN DIAMTER AND HAVING MEANS TO SUPPORT SAID SHELL ON A FOUNDATION, A BASE PLATE MEMBER FOR SUPPORTING SAID BED POSITIONED AT LEAST 30 FEET ABOVE THE FOUNDATION OF SAID REACTOR AND FASTENED TO THE INNER CYLINDRICAL WALL OF SAID SHELL, MEANS TO INTRODUCE SAID SOLIDS ONTO SAID BASE PLATE, MEMBERS HAVING GENERALLY VERTICAL EXTENDED SURFACES DISPOSED WITHIN SAID SHELL ABOVE SAID BASE AND DISTRIBUTED SUBSTANTIALLY THROUGHOUT THE ZONE OF SAID SHELL TO BE OCCUPIED BY SAID BED, SAID VERTICAL SURFACES BEING SPACED FROM ADJACENT VERTICAL SPACES TO PERMIT HORIZONTAL FLOW OF SOLIDS, SAID ZONE BEING AT LEAST 8 FEET IN DEPTH, THE AREA OF SAID EXTENDED SURFACES TOGETHER WITH THE AREA OF THE INNER SURFACE OF SAID SHELL IN SAID ZONE BEING IN THE RANGE OF 6 TO 12 SQUARE FEET PER CUBIC FOOT OF THE NET VOLUME OF SAID ZONE, SAID NET VOLUME BEING THE PORTION OF THE TOTAL VOLUME OF SAID ZONE UNOCCUPIED BY SAID MEMBERS, MEANS FOR INTRODUCING SAID GASIFORM STREAM AS A PLURALITY OF SEPARATE STREAMS INTO THE BOTTOM OF SAID ZONE, SAID EXTENDED SURFACE TENDING TO MAINTAIN SAID STREAMS SEPARATE, MEANS FOR WITHDRAWING SAID GASIFORM STREAM FROM SAID REACTOR DISPOSED ABOVE SAID ZONE, AND MEANS TO REMOVE SOLIDS FROM SAID ZONE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |